Cheap flights from Honolulu to Los Angeles from $173

In general, February is the cheapest month to fly from Honolulu to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $370. If you aren’t able to travel during the month of February, then book flights to Ontario from Honolulu during September instead. Flights to Ontario in September, while not as cheap as those in February, still average around $395.

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $406. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Honolulu to Ontario for around $550.

At noon is the cheapest time of day to fly from Honolulu to Ontario when you can find flight prices for as low as $417. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $542 on average. Flights to Ontario from Honolulu in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Honolulu to Ontario for the best Honolulu - Ontario flight prices

You are more likely to see cheaper flights to Ontario from Honolulu when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $472 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Honolulu for as low as $354 on momondo.

There are 4 cabin classes available to choose from on Honolulu to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Honolulu to Ontario.

As of May 2026, prices for Honolulu to Ontario flights are approximately 34% more expensive when compared to flights at the same time last year.

Southwest and Delta are the most popular carriers operating from Honolulu to Ontario

United Airlines, Alaska Airlines and Alaska Airlines are the top three most popular airlines that fly to Ontario from Honolulu according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

The number of flights available between Honolulu and Ontario is 1 per day as of May 2026. The most frequent departure time is 1:00PM, with 66% of daily flights leaving in the afternoon.

As of May 2026, 12 flights take off from Honolulu and land in Ontario each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.